Table 4.

Different loading-axial stiffness of the pelvis in the sitting position (x ± s N/mm).

	Different loads (N)
Group	400	500	600	700
A	208.5±54.3	213.0±50.6	221.5±59.4	222.0±40.3
B	118.2±10.5	125.6±8.9	129.9±7.5	132.5±7.1

Paired-Sample T Test: group A - group B (p<0.01).